Date-to-date calculator

Days between dates

Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.

The end date comes before the start date

474 days

From Tuesday, December 21, 2027 to Thursday, September 3, 2026.

Monday–Friday weekdays338
Weeks and days67w 5d
Calendar span1 year, 3 months, 18 days

Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.